Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.

Partly Cloudy

52°F

11°C

Humidity 87%
Wind Speed SSE 9 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 11 Apr 09:30 PM PDT
Extended Forecast for

San Lorenzo CA

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am.  Mostly cloudy, with a low around 50. South wind 9 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm.  High near 62. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 11pm.  Partly cloudy, with a low around 49. West southwest wind 5 to 10 mph becoming light south southwest  in the evening.

    Low: 49 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 65. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. West northwest wind 5 to 9 mph becoming light west southwest  after midnight.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 50. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 62. West southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 49. West southwest wind 5 to 10 mph becoming light south southwest in the evening.
Monday
Mostly sunny, with a high near 65. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 48. West northwest wind 5 to 9 mph becoming light west southwest after midnight.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Sunny, with a high near 71.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
San Lorenzo CA
 37.68°N 122.13°W (Elev. 112 ft)
1:26 pm PDT Apr 11, 2026
9pm PDT Apr 11, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

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